Spark 3 supports only Scala 2.12. This actually sounds like third party library is compiled for 2.11 or something.
On Fri, Jun 5, 2020 at 11:11 PM charles_cai <1620075...@qq.com> wrote: > Hi Pol, > > thanks for your suggestion, I am going to use Spark-3.0.0 for GPU > acceleration,so I update the scala to the *version 2.12.11* and the latest > *2.13* ,but the error is still there, and by the way , the Spark version is > *spark-3.0.0-preview2-bin-without-hadoop* > > Caused by: java.lang.ClassNotFoundException: scala.Product$class > at java.net.URLClassLoader.findClass(URLClassLoader.java:382) > at java.lang.ClassLoader.loadClass(ClassLoader.java:418) > at java.lang.ClassLoader.loadClass(ClassLoader.java:351) > > Charles cai > > > > -- > Sent from: http://apache-spark-user-list.1001560.n3.nabble.com/ > > --------------------------------------------------------------------- > To unsubscribe e-mail: user-unsubscr...@spark.apache.org > >
